Analysis

  • max time kernel
    5s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 12:36

General

  • Target

    b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe

  • Size

    2.0MB

  • MD5

    8c05d550eeab6126687f902c98887910

  • SHA1

    f295db204520e221a276c891a4274fcb436ea5b4

  • SHA256

    b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02

  • SHA512

    473cebcbf954ded04e01900f24ae9f587e342d8fa5c7877e9e0759eb49d908777ac296ed12bce1d0504fff33a30195dc193caac05d952c1bf72eeea4385d8d6a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYK:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe
    "C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 548
          3⤵
          • Program crash
          PID:2320
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1676
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1192
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:856
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NsTNGNzidYb7.bat" "
            4⤵
              PID:2884
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3868
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4284
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2464
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:2796
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 1992
                  4⤵
                  • Program crash
                  PID:1376
            • C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe
              "C:\Users\Admin\AppData\Local\Temp\b1ffe0c923eb0aae30e8c3f7b21d9a80f41555d74008ce3632c7a07c541baa02N.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:4896
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
              2⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1392
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4240 -ip 4240
            1⤵
              PID:3812
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1192 -ip 1192
              1⤵
                PID:4704
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1072
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:1140
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:4564
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1388
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1140 -ip 1140
                        1⤵
                          PID:396
                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                          1⤵
                            PID:1780
                          • C:\Windows\system32\dwm.exe
                            "dwm.exe"
                            1⤵
                              PID:940
                            • C:\Windows\system32\dwm.exe
                              "dwm.exe"
                              1⤵
                                PID:3608
                              • C:\Windows\system32\dwm.exe
                                "dwm.exe"
                                1⤵
                                  PID:4148
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:3148
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:3456
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:4528

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\NsTNGNzidYb7.bat

                                        Filesize

                                        208B

                                        MD5

                                        149fdfe3f5d2c8522ad8675e3038d491

                                        SHA1

                                        12866a7b66ed04e603242f0460d7f94f93ea3556

                                        SHA256

                                        d12884fd78fb5014d49f116c48c52a36d5d8df0d890faa2c7dc2ca0d1cf0aa10

                                        SHA512

                                        85a0a580317851045afa3ed012200cd339cc8f0a0599e03dad27b11e4ee439d85248f82cb5bf5fc17d358661a8ef9c1f4392da1f6b85a3c77594ec8625d24ac0

                                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                        Filesize

                                        405KB

                                        MD5

                                        b8ba87ee4c3fc085a2fed0d839aadce1

                                        SHA1

                                        b3a2e3256406330e8b1779199bb2b9865122d766

                                        SHA256

                                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                        SHA512

                                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                      • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                        Filesize

                                        349KB

                                        MD5

                                        b4a202e03d4135484d0e730173abcc72

                                        SHA1

                                        01b30014545ea526c15a60931d676f9392ea0c70

                                        SHA256

                                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                        SHA512

                                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                      • C:\Users\Admin\AppData\Roaming\Logs\10-26-2024

                                        Filesize

                                        224B

                                        MD5

                                        9ad5caf795946236a86d9eaabbc666e7

                                        SHA1

                                        bea57464c4ec9307f6fb4dbd29287a446ebaf9fd

                                        SHA256

                                        e02272463ab29de6be21527014e9aaa32644e89828d28bafc2b94aa8811e3566

                                        SHA512

                                        6aee68a7fcf553621d681af70b8fc835633bc2f784b547fae3f55847210fc57446b3b0f67d0551924afb3658727aa1a185d84e311303bcc42b1fb7cab31711a6

                                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                        Filesize

                                        2.0MB

                                        MD5

                                        50b45e77b5263ef97473c1f0f30f0b55

                                        SHA1

                                        e3a5cc81fb3cb1d9db3731ac3c289615119e6346

                                        SHA256

                                        1ac3f400f949dd64bc66fea78e8d156d3a4210eeffee9d314b92d137f30c0a40

                                        SHA512

                                        7d17f8b8debbbbd0cf3a053c06b1a62b854d18ab6bb531d7d9ac798756cf8f2b697f8b89c4ede9720d6791b5f2d0acb35c0da6e6b88bb977626a0fc0a089ca7f

                                      • memory/852-34-0x0000000004F80000-0x0000000005012000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/852-30-0x00000000004D0000-0x000000000052E000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/852-33-0x0000000005530000-0x0000000005AD4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/852-35-0x0000000005020000-0x0000000005086000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/852-36-0x00000000054A0000-0x00000000054B2000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/852-37-0x00000000061A0000-0x00000000061DC000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/852-29-0x0000000072E8E000-0x0000000072E8F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1192-45-0x0000000006D10000-0x0000000006D1A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/4760-19-0x00000000045F0000-0x00000000045F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4896-28-0x0000000000A20000-0x0000000000A40000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4896-20-0x0000000000A20000-0x0000000000A40000-memory.dmp

                                        Filesize

                                        128KB